Patient treatment mattress with inflatable channels



FIG. 1 is a top plan view of a patient treatment mattress with inflatable channels, showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a top plan view with the corner loops omitted for ease of illustration; and

FIG. 4 is a side elevation thereof. 

The ornamental design for a patient treatment mattress with inflatable channels, as shown. 